Colloquia

  • 2016
  • ‘Inverse Problems in Exploration and Global Seismology’, Computer, Electrical and Mathematical Science and Engineering Division, KAUST, Saudi Arabia, November 2016.
  • ‘Seismic inverse problems: Revealing Earth’s interior’, Lagrange Lecture, Dipartimento di Matematica “Giuseppe Peano”, Universtità degli Studi di Torino, Turin, Italy, February 2016.
  • 2015
  • ‘Uniqueness of seismic inverse source problems modeling microseismicity and ruptures and Construction of high-frequency direct waves generated by virtual interior point sources from the Neumann-to-Dirichlet map’, Dipartimento di Matematica e Geoscienze, Sezione di Matematica e Informatica, Universtità degli Studi di Trieste, Trieste, Italy, December 2015;
  • ‘Seismic inverse problems’, IMPACT Distinguished Lecture, School of Mathematics, Georgia Institute of Technology, Atlanta, GA, October 2015;
  • ‘The seismic inverse problem: Stability and reconstruction’, Mathematics Program, New York University Abu Dhabi, Abu Dhabi, UAE, October 2015;
  • 2014
  • ‘Earth as an unstructured mesh: Can we solve the seismic inverse problem?’, Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, October 2014;
  • ‘Revealing Earth’s interior: From compressive imaging to nonlinear multi-scale iterative reconstruction’, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, July 2014;
  • ‘Spatio-temporal imaging of ruptures and the discrete-time dependent inverse source problem for the wave equation’, Dipartimento di Matematica “Francesco Brioschi”, Politecnico di Milano, Milan, Italy, June 2014;
  • 2013
  • ‘Stability estimates for the inverse boundary value problem for the Helmholtz equation and iterative reconstruction’, Department of Mathematics, Stanford University, October 2013;
  • ‘Revealing Earth’s interior: From compressive imaging to nonlinear multi-scale iterative reconstruction’, Department of Earth and Space Sciences, UCLA, Los Angeles  CA, April  2013
  • ‘Construction, computation, and properties of solutions of the wave equation with coefficients of limited smooothness’, Dipartimento di Matematica “Guido Castelnuovo”, Universita’ di Roma “La Sapienza”, Rome  Italy, February  2013
  • 2012
  • ‘Revealing Earth’s interior: A geo-mathematical perspective’, Bold Aspirations and Visitor Lecture Series, University of Kansas, Lawrence  KS, September  2012
  • ‘Local analysis of the inverse boundary value problem for the Helmholtz equation and iterative reconstruction’, Department of Mathematical Sciences, Rensselaer Polytechnic Institute, Troy  NY, September  2012
  • ‘Local analysis of the inverse boundary value problem associated with the Helmholtz equation’, Institute of Computational Mathematics and Operations Research, Department of Mathematical Sciences, Tsinghua University, Beijing  China, July  2012
  • 2011
  • ‘Elastic-wave inverse scattering with active and passive source reflection data’, Department of Mathematics, University College London, London  England, December  2011
  • ‘Seismic imaging and inverse scattering: A curvelet transform perspective’, Department of Mathematics, Chinese University of Hong Kong, Hong Kong  China, August  2011
  • ‘Construction, computation, and properties of solutions of the acoustic and elastic wave equations with coefficients of limited smoothness, Institute of Wave and Information’, School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an  China, June  2011
  • 2010
  • ‘Wave-equation imaging and inverse scattering: Multi-scale techniques and applications to the mantle beneath Hawaii’, Berkeley Seismological Laboratory, Department of Earth and Planetary Science, University of California at Berkeley, Berkeley  CA, November  2010
  • ‘Solution constructions, using wave packets, of the wave equation with coefficients of limited smoothness’, Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie, Paris  France, May  2010
  • ‘Inverse scattering and wave-equation tomography – Imaging Earth’s deep interior’, School of Mathematics, Georgia Institute of Technology, Atlanta  GA, March  2010
  • 2009
  • ‘Inverse scattering and wave-equation tomography – Imaging Earth’s deep interior’, IAMCS- KAUST Seminar, Texas A & M University, College Station  TX, February  2009
  • 2008
  • ‘Inverse scattering and wave-equation tomography – Imaging Earth’s deep interior’, Department of Mathematics, University of Kentucky, Lexington  KY, Octber  2008
  • ‘Inverse scattering and wave-equation tomography with wave packets’, Laboratoire d’Analyse et de Mathématiques Appliquées, Paris XII (Creteil)  Paris  France, May  2008
  • ‘Inverse scattering and wave-equation tomography with wave packets’, Department of Mathematics, University of Vienna, Vienna  Austria, May  2008
  • 2007
  • ‘Multi-scale approach to evolution equations with applications in seismic imaging’, Department of Mathematics, Penn State University, State College  PA, November  2007
  • 2006
  • ‘Advances in imaging Earth’s interior, Mathematics in Science and Society’, Department of Mathematics, University of Illinois at Urbana-Champaign, Urbana  IL, October  2006
  • ‘A multi-scale approach to evolution equations with applications in wave-equation imaging and reflection tomography’, Department of Mathematics, University of Washington, Seattle  WA, August  2006
  • ‘Multi-scale aspects of wave-equation imaging and tomography’, Department of Mathematics, Harbin Institute of Technology, Harbin  China, May  2006
  • ‘Advances in imaging Earth’s interior’, Department of Geophysics, School of Earth and Space Sciences, Peking University, Beijing  China, May  2006
  • ‘Analysis of wave-equation tomography and imaging with curvelets’, Department of Mathematics and Statistics, Wichita State University, Wichita  KS, February  2006
  • 2005
  • ‘Imaging of reflection seismic data with curvelets’, Centre for Mathematical Sciences, Lund Institute of Technology / Lund University, Lund  Sweden, May  2005
  • 2004
  • ‘Nonlinear aspects of seismic inverse scattering’, Department of Mathematics, Purdue University, West Lafayette  IN, November  2004
  • ‘The impact of microlocal analysis on seismic imaging’, Institute of Geophysics, Russian Academy of Sciences, Novosibirsk  Russia, July  2004
  • ‘Introduction to seismic inverse scattering’, Theme Year in Mathematics 2003-2004, Inverse Problems and Related Topics, Helsinki  Finland, May  2004
  • ‘The role of microlocal analysis in seismic inverse scattering’, Department of Applied Mathematics, University of Crete, Heraklion  Greece, March  2004
  • 2003
  • ‘The role of microlocal analysis in seismic inverse scattering’, Applied and Computational Mathematics, Division of Engineering and Applied Science, California Institute of Technology, Pasadena  CA, November  2003
  • ‘Feasibility of imaging Earth’s lowermost mantle’, Seismological Laboratory, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena  CA, November  2003
  • ‘Microlocal analysis and computational aspects of the downward continuation approach to seismic imaging, inversion and tomography’, Department of Mathematics and Statistics, Wichita State University, Wichita  WA, April  2003
  • 2002
  • ‘Microlocal analysis of artifacts in seismic inverse scattering in the presence of caustics’, Institute of Applied Mathematics, University of British Columbia, Vancouver  Canada, November  2002
  • ‘The impact of microlocal analysis on exploration seismology’, Institut de Physique du Globe de Paris, Paris  France, May  2002
  • ‘Seismic inverse scattering in the wave-equation approach’, Department of Mathematical Sciences, Rensselaer Polytechnique Institute, Troy  NY, April  2002
  • ‘Seismic wavefield continuation in the single scattering approximation’, Serbian Academy of Arts and Sciences (SANU), Belgrade  former Yugoslavia, March  2002
  • 2001
  • ‘The impact of microlocal analysis on exploration seismology’, Berkeley Seismological Laboratory, Department of Earth and Planetary Science, University of California at Berkeley, Berkeley  CA, November  2001
  • ‘Microlocal methods in seismic tomography’, Österreichische Mathematische Gesellschaft and Institut für Technische Mathematik, Geometrie und Bauinformatik, University of Innsbruck, Innsbruck  Austria, May  2001
  • ‘Tomography in complex media: An approach based upon microlocalization’, Bullard Laboratories, Department of Earth Sciences, University of Cambridge, Cambridge  England, May  2001
  • ‘Symplectic structure of wave-equation imaging and inversion’, Laboratoire de Mathématiques Applique´es, Universite´ de Pau et des Pays de l’Adour, Pau  France, February  2001
  • 2000
  • ‘Microlocal methods and algorithms for seismic inversion’, Institut für Technische Mathematik, Geometrie und Bauinformatik, University of Innsbruck, Innsbruck  Austria, June  2000
  • ‘Recent advances in elastodynamic imaging and inversion, and characterization of heterogeneities’, Department of Earth, Atmospheric and Planetary Sciences, MIT, Cambridge  MA, May  2000
  • ‘Seismic imaging, inversion and velocity analysis with multipathing’, Department of Applied Earth Sciences, Delft University of Technology, Delft  the Netherlands, February  2000
  • 1999
  • ‘Inversion for singular medium perturbations in anisotropic elastic media: A Generalized Radon Transform approach’, Department of Mathematics, Gunma University, Kiryu  Japan, August  1999
  • ‘Inversion for singular medium perturbations in the presence of caustics’, Electromagnetics Laboratory, Helsinki University of Technology, Helsinki  Finland, June  1999
  • ‘Maslov asymptotic extension of Generalized Radon Transform inversion in anisotropic elastic media’, Department of Petroleum Engineering and Applied Geophysics, Norwegian University of Science and Technology, Trondheim  Norway, May  1999
  • ‘Inversion for singular medium perturbations in the presence of caustics’, Department of Mathematics, Statistics and Computer Science, Växjö University, Växjö  Sweden, April  1999
  • ‘Maslov asymptotic extension of Generalized Radon Transform inversion in anisotropic media: A least-squares approach’, Mathematics Department, Iowa State University, Ames  IA, February  1999
  • ‘Maslov asymptotic extension of Generalized Radon Transform inversion in anisotropic elastic media: A least-squares approach’, Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary  Canada, February  1999
  • 1998
  • ‘Maslov asymptotic extension of Generalized Radon Transform inversion in anisotropic elastic media and Inversion based on the Generalized Bremmer Series’, Earth Resources Laboratory, Department of Earth, Atmospheric and Planetary Sciences, MIT, Cambridge  MA, November  1998
  • ‘Generalized screens: Theory and algorithms’, Northwest Geology Research Institute, Lanzhou  China, June  1998
  • ‘Generalized Radon Transform inversion and multipathing’, Centre de Recherche en Géophysique, Ecôle des Mines de Paris, Paris  France, April  1998
  • 1997
  • ‘Some remarks on nonlinear, multi-azimuth, AVA inversion’, Workshop Sobre Caracterização e Engenharia de Reservatórios, Unicamp, Campinas SP  Brazil, September  1997
  • ‘Generalized Bremmer series: Convergence, asymptotics, numerical issues’, Department of Electromagnetic Theory, Royal Institute of Technology, Stockholm  Sweden, August  1997
  • ‘Generalized Bremmer series: Convergence, asymptotics, numerical issues’, Department of Electromagnetic Theory, Lund University / Lund Institute of Technology, Lund  Sweden, August  1997
  • 1996
  • ‘Aspects of multiparameter inversion in anisotropic solid media’, Department of Computational and Applied Mathematics, Rice University, Houston  TX, October  1996
  • ‘Heterogeneity, anisotropy, and their disguises in seismological multi-parameter inversion’, Institute of Theoretical Geophysics, Departments of Earth Sciences and Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge  England, November  1996
  • 1995
  • ‘Progress in full-wave and asymptotic-ray inversion in anisotropic media’, Institute of Theoretical Geophysics, Departments of Earth Sciences and Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge  England, March  1995
  • 1993
  • ‘A comparison between the even- and odd-order Thiele approximations to the one-way wave operator in the space-time domain’, Bullard Laboratories, Department of Earth Sciences, University of Cambridge, Cambridge  England, May  1993
  • ‘A comparison between the even- and odd-order Thiele approximations to the one-way wave operator in the space-time domain’, Institute of Geophysics, University of Texas, Austin  TX, February  1993
  • 1992
  • ‘Generalization of the Bremmer coupling series’, Courant Institute, New York University, New York  NY, November  1992
  • 1990
  • ‘Wave field decomposition in the direct and inverse acoustic scattering problems’, Center for the Mathematics of Waves, University of Delaware, Newark  DE, October  1990
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